Orange Syrup Cake With Candied Oranges

Name: Orange Syrup Cake With Candied Oranges
Ingredients: 4 oranges (or tangerines), organic or unsprayed, zested; 1 lemon, zested; 1 1/2 cups (300 g) sugar; 14 tablespoons (7 ounces, 200 g) unsalted butter, at room temperature; 3 cup (240 g) sliced almonds; 3/4 cup (110 g) flour; 4 large eggs, at room temperature; pinch of salt; 3/4 cup (180 ml) orange and lemon juice (squeeze the juice from the zested citrus); 6 tablespoons (75 g) sugar; 1 orange, organic or unsprayed; 2/3 cup (130 g) sugar; 2/3 cup (160 ml) water